An appointment can offer a more targeted service if the store knows the request before arrival. The organization is about product availability and staff skills. A meeting booked without preparation can reproduce the same expectations as a spontaneous visit, with higher expectations.
I propose that we collect only information relevant to the purpose of the visit. A request for a specific occasion may require sizes and times; an exploratory visit requires a different setting. The customer should know what has been prepared and what items remain to be confirmed.
Let's imagine an appointment to compare some garments. If a variant is not available, communicating it first allows the person to evaluate the visit. Clarity preserves the time of both and allows to prepare alternatives that are actually usable.
Quality is read through fulfilled demands, clarifications and work remained open. The service should allow for a choice without assuming that the booking involves a purchase. A well-prepared appointment makes the conversation more relevant and keeps the promise made to the customer understandable.